3071670

Information

• Patent Grant
• 3071670

• References
• Source

• Patent Number

  3,071,670

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1963
  62 years ago

• CPC

  • H01H33/91 - the arc-extinguishing fluid being air or gas
  • H01H33/022 - particular to three-phase circuit breakers
  • H01H2033/024 - with a triangular setup of circuit breakers

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices